Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explaining the role of metadata in data acquisition process
Question 1) You are a vice president of marketing for a nation-wide appliance manufacturer with three production plants. Explain different ways you would tend to analyze your sales. What are the business dimensions for your analysis?
Question 2) You are a manager for data warehouse project at the retail chain with stores all across the country and users in every store. How would you ensure that all the details essential to decide on DBMS are gathered during the requirements phase? Write a memo to the Senior Analyst directly responsible to coordinate the requirements definition phase.
Question 3) You have recently been promoted to administrator for the data warehouse of a nationwide automobile insurance company. You are asked to prepare a checklist for selecting a proper vendor tool to help you with the data warehouse administration. Make the list of the functions in the management and control component of your data warehouse architecture. Use this list to derive tool-selection checklist.
Question 4) As a data acquisition specialist, what types of metadata can help you? Select one of the data acquisition processes and explain the role of metadata in that process.
Question 5) What is a factless fact table? Design a simple STAR schema with a factless fact table to track patients in a hospital by diagnostic procedures and time.
Explain efficient algorithm that, provided edge-labeled graph G with distinguished vertex v0 and sequence s = σ1, σ2, ..., σk of characters from Σ, returns path in G which begins at v0.
You are creating a database of measured meteorological data for use in weather and climate research. Explain a structure type measured_data_t with components site_id_num.
Write a two page research paper on the Turing and von Neumann models.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
Create the relational model corresponding to the described application. Basically, list the CREATE TABLE statements with the attribute names, and appropriate data types.
Create a query that spans both tables. Eliminate redundant fields. Modify the Query to select only those Customers that had service dates in October and November 2006.
Draw at a context diagram and a level-0 diagram. In drawing these diagrams, if you discover that the narrative is incomplete, make up reasonable explanations to complete the story. Provide these extra explanations along with the diagrams.
Compute the closure sets of R - find all non-trivial dependencies and what are the candidate keys of R?
Database Questions: What do you mean by data base scheme? What do you mean by cardinality ratio? What do you mean by degree of relation?
When a student has not chosen a major at a university, the university often enters a value of "Undecided" for the major field. Is "Undecided" a way to represent the null value? Should it be used as a default value? Justify your answer carefully.
What is meant by a Metadata? How does this term pertain to a database? Write down advantage is there in storing metadata in tables?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd